Tough ballistic nylon resists scratches and scrapes, helping you carry your workload with lasting style. Outlasts regular polyester and nylon two to one. 70/30 ballistic poly/nylon is strong and durable 1680 denier Expandable case for greater versatility Removable padded computer case File separations for folders and briefs Metal trims for added durability Dimensions: 12.5'h x 17.625'w x 7'd (expanded); Approx. 1,542 cubic inches